---
cve: "CVE-2026-100382"
severity: "CRITICAL"
cvss: 10.0
epss: "1%"
vendor: "Wikimedia Foundation"
kev: false
exploited: false
published: "2026-09-25 22:17:10"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-28T02:42:22+02:00"
---

# CVE-2026-100382

> 10.0 CRITICAL

## Beschreibung

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Wikimedia Foundation Mediawiki - ExternalData Extension allows OS Command Injection.

This issue affects Mediawiki - ExternalData Extension: from * before 3.7.

## CNA-Record (Kanon, cvelistV5)

- CNA: **wikimedia-foundation**
- State: PUBLISHED
- Stand: 2026-09-26 22:51:17
- CNA-CVSS: **10.0** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://phabricator.wikimedia.org/T434961>
- <https://gerrit.wikimedia.org/r/c/mediawiki/extensions/ExternalData/+/1326012>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-100382) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_